Home / 5,234,877.81-7,856,515.80-2,711,254.77

Finding the Fourth Proportional to 5,234,877.81, 7,856,515.80 and 2,711,254.77

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Solution

The fourth proportional to 5,234,877.81, 7,856,515.80 and 2,711,254.77 is: 4,069,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,877.81 : 7,856,515.80 = 2,711,254.77 : x
  2. Step 2: Convert to fraction form
    5,234,877.81/7,856,515.80 = 2,711,254.77/x
  3. Step 3: Cross multiply
    5,234,877.81x = 7,856,515.80 × 2,711,254.77
  4. Step 4: Simplify right side
    5,234,877.81x = 21,301,015,938,330.37
  5. Step 5: Solve for x
    x = 21,301,015,938,330.37/5,234,877.81
  6. Step 6: Final answer
    x = 4,069,056.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.